From nobody Tue Feb 10 01:19:26 2026 Received: from mail-wm1-f66.google.com (mail-wm1-f66.google.com [209.85.128.66]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 02C82369233 for ; Tue, 13 Jan 2026 10:59:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.66 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768301983; cv=none; b=htwwSl9h903RSGUphe1QohgGRnbiLuZ/aCagUPorBu4dxdLHhC6QEMFIBcdLI4UbOxAiYEmCkSuSvX15D4KUwLuJOOe/xjivPSE6tIXCYJRu6LNVsL+IpCXLdhbs91np2glJLPkiP0Vy0KM5OKh3MwMRcqDdDsi2m+ML6ocXZbk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768301983; c=relaxed/simple; bh=WUdMAX8z4QhtVQSfFhWdE8LzEGj91H8aYjzAX8V+ueA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=NpFBz681hYunqbR7ZLkt30vsJ2OrpCEO4zurf3GeSnPPxemHmYSbPHhAecKn2/mvomJH1iUvOVdRhdDbXLTv4m2DUyyv2xXoEWC34phtiy8isS8w7JRe2ZTI7e/umM7oKDHCIME4o9g44jIdGlucjvOpUuMNc5rPcQd9A9blylE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=fio7FhER; arc=none smtp.client-ip=209.85.128.66 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="fio7FhER" Received: by mail-wm1-f66.google.com with SMTP id 5b1f17b1804b1-47796a837c7so50675095e9.0 for ; Tue, 13 Jan 2026 02:59:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1768301976; x=1768906776; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=0oQMGTyMi20OxWQa8x3f8sz8cBzKODyRyWVPXoBWeNQ=; b=fio7FhERSGIwBLdjC65oMhkXwbHE0dF6ea08IxfG/xFgnsjCOmSvKiMQpgSSHjqscW 0mA5XDGM1gem0eUN6+LxMCjdF++qaDkGSOicWwgotXJf1EbP1PIsS6exV7M5Pd0BvlO2 Q7Eplk1NOVUUicixcuaraQ6IqWApA2nbjTzc4iVxqpgYksTqqJjlesYMxPdFmy1V1n+N E3mgXSbbeQlEqcGgfpIsKa/lMLDy3+v0mOshrcVQcUWUwU2szuliC7CzjLJN1o8pAtul dUmJIv540AkXPpdL09BrQhfAKIRHqjx1VRgKl6Xm7j/9jCgzGTbUUYNI7AR9e4uLXya6 NYHw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1768301976; x=1768906776; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-gg:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=0oQMGTyMi20OxWQa8x3f8sz8cBzKODyRyWVPXoBWeNQ=; b=iXOxqfLUTPeCAMM8yEEXzalsxJ5m/QjhyqBwGgBvG8fywFx2i3XrGCm2Te+/ZE94xx lbOgBNjTioss8eao21PJQnQeVIeZYrpAC6W2Ya1A0QNm5smMekoFS1ZB4uqAn5RX3LYU ZmJRmRNEn4wLOiOYTYnIyKgMych7t7CfEktBRHhJgC5pMgciA9l4PSQk7ezCAsP+z+3N etcMG0CpXlK3uJY97rr4JsdJannBDH3n1EAq6kCoVwueQnKlqf4voFjUdmm89ikvFnMk d4WzHIUO6TZpI2i7tA8MO3nBrW3n0TlfQ/MSh0H5TNf9A0OPM/J1dK6ZpluBu6tW5a8Q LSuw== X-Forwarded-Encrypted: i=1; AJvYcCVkQqytde+seO9TvbaVJf3kTpdRM31qrQDGgMGfEFJWp68kN32E7Ghp1+GMPFWyYYwvfwIQrFj+LSI2a7o=@vger.kernel.org X-Gm-Message-State: AOJu0YxP4Gq5nPoPLRkdLgz/EkcVG3qf8Y53wPgpYO/YHUaGizS7VaCf ZmJM/eHmOJCUkpTLwQgZ/fPo+dLGNet9qv9muatAGP7CDs9EEKFO4zkNlutMK9iUfTM= X-Gm-Gg: AY/fxX4YBOCL1SzCzozSkQ3ZW2/xaDQlG55+xc6qPMt6cKDlvtkSbE9+aB0LvKa9hrh Yh0NwvKhn21+lOzeVknaTajb3hEc0QAWnEW8WzF0EcmaiHAnXHl8AoTQ11IWPhh3VykgayodjrL 4CL6nuOCgYHrKvc4fUKpQQT4MYp5dy2t0AVaxXYo5TJ9AqPcjwxb0njZYd7OjQ/l9RRqdP64hjx 1030gqWRrb+uI4WN76DSoIESJvQt+gHdAzftL5HfcOtq2a/mYKYCH479EtkRU8TW+XLoAMr5E42 zcVbHJE+HgfImxgrbK8PzPXfPjMQ3RuiNkKpCXMd24HWswlfM6bXm/nJI69NGyMJKhr+JG4S4SL DUyq2wbxbmS3Pdo7IcZ8gi0GaF79Cv+LfMdnd00XLr758po2ZNHm1fu0OpFPCBmQ4ut4zPaCbIx BJkHXBCY8YD3SlUzjpcoXdIhxxcYJ9U4LijjRRDpDdynI= X-Google-Smtp-Source: AGHT+IFn1dzqQ/D+0QCf5k/jfSxOt6mGZYAi0NlFjRq6667iKCclfMYVXNjtvPWRLhP0JCbSG1j+yQ== X-Received: by 2002:a05:600c:6815:b0:471:1716:11c4 with SMTP id 5b1f17b1804b1-47d84b61379mr229758235e9.34.1768301976084; Tue, 13 Jan 2026 02:59:36 -0800 (PST) Received: from gpeter-l.roam.corp.google.com ([2a00:23c7:3122:c601:3454:384:9eef:8e29]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-432bd5ee243sm43729881f8f.31.2026.01.13.02.59.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 13 Jan 2026 02:59:35 -0800 (PST) From: Peter Griffin Date: Tue, 13 Jan 2026 10:59:02 +0000 Subject: [PATCH v3 5/5] arm64: dts: exynos: gs101: add cmu_dpu and sysreg_dpu dt nodes Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260113-dpu-clocks-v3-5-cb85424f2c72@linaro.org> References: <20260113-dpu-clocks-v3-0-cb85424f2c72@linaro.org> In-Reply-To: <20260113-dpu-clocks-v3-0-cb85424f2c72@linaro.org> To: =?utf-8?q?Andr=C3=A9_Draszik?= , Tudor Ambarus , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alim Akhtar , Sylwester Nawrocki , Chanwoo Choi Cc: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski , kernel-team@android.com, Will McVicker , Juan Yescas , Doug Anderson , Peter Griffin X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1517; i=peter.griffin@linaro.org; h=from:subject:message-id; bh=WUdMAX8z4QhtVQSfFhWdE8LzEGj91H8aYjzAX8V+ueA=; b=owEBbQKS/ZANAwAKAc7ouNYCNHK6AcsmYgBpZiWP4MHYOnVwKJEasNjKHdnZaE44GyYpHQ0eI GH3W5ErJ/uJAjMEAAEKAB0WIQQO/I5vVXh1DVa1SfzO6LjWAjRyugUCaWYljwAKCRDO6LjWAjRy ujQ8D/0egS4XV5yKcYX3dsAb/ybBt7n2mTIbl+uUqSkgvnQZ4m5Z72v80opr2qbajInKVtXcyIh Jy+EKJV/MQ8kUT+Ptz6K9lt3BGqpy/ENLkUpoMjRI62kaOEYMC4NbWoUBh2hm26kW+V78zO2bwK yiuMYKmrlxrH2Qwl+JOSGIfrXHuXfVGGe3afw1hqcSD0e4GQ9zh7zWQY5DsyIt0GEGx/HInusG/ MNVzUo+EgdqjsLETTL1QCGQ5krRshz0FwxSCzMr7B6NYmpq3uKQpFHed7712dMqirj4O+R1KkKy cE66+RPBeHYdUFSa4R38rYgs1IUOTZcPoVeBlOoZFt1+bGldxxdWpvqownj8/iyxRXACvPX/dn8 IxrbtKDgzsIOfiukT8wt+8Wu+ziVTOLPI+EyL9NObwqKaSDI5GQhAj6hZ7o3TzG4nMINEv5T9Y/ MuWE0zWmQCqWzDVMAHoQXQSVs2Aw8bl5mDs8YxWkzSs8OJi9khsmtsCqP/AikzP+U3p0u/IZnxW I/LFdJc5Rx/AxGlxcXwUHZUR5F+QZUnMI/EoIyhkZb5FqWR0juEfUzntE9T8NhEtHuvlhHPJjFk Eqkvrwkt0CWt6izsAwwvdftnn+0Dmuv3JvmY0CIpEekqibusF7gU53gw20iP6MmSU0RUEzmcfYf fs11GbJxI6Ibbzw== X-Developer-Key: i=peter.griffin@linaro.org; a=openpgp; fpr=0EFC8E6F5578750D56B549FCCEE8B8D6023472BA Enable the cmu_dpu clock management unit. It feeds some of the display IPs. Additionally add the sysreg_dpu node which contains the BUSCOMPONENT_DRCG_EN and MEMCLK registers required by cmu_dpu to enable dynamic root clock gating of bus components. Reviewed-by: Andr=C3=A9 Draszik Signed-off-by: Peter Griffin --- arch/arm64/boot/dts/exynos/google/gs101.dtsi | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/arm64/boot/dts/exynos/google/gs101.dtsi b/arch/arm64/boot= /dts/exynos/google/gs101.dtsi index 48f3819590cf8c05d6bd7241cfed8720149c7db4..d085f9fb0f62ac2f57b104c2088= 0e64d885d0bee 100644 --- a/arch/arm64/boot/dts/exynos/google/gs101.dtsi +++ b/arch/arm64/boot/dts/exynos/google/gs101.dtsi @@ -1815,6 +1815,23 @@ pinctrl_gsacore: pinctrl@17a80000 { status =3D "disabled"; }; =20 + cmu_dpu: clock-controller@1c000000 { + compatible =3D "google,gs101-cmu-dpu"; + reg =3D <0x1c000000 0x10000>; + #clock-cells =3D <1>; + + clocks =3D <&ext_24_5m>, + <&cmu_top CLK_DOUT_CMU_DPU_BUS>; + clock-names =3D "oscclk", "bus"; + samsung,sysreg =3D <&sysreg_dpu>; + }; + + sysreg_dpu: syscon@1c020000 { + compatible =3D "google,gs101-dpu-sysreg", "syscon"; + reg =3D <0x1c020000 0x10000>; + clocks =3D <&cmu_dpu CLK_GOUT_DPU_SYSREG_DPU_PCLK>; + }; + cmu_top: clock-controller@1e080000 { compatible =3D "google,gs101-cmu-top"; reg =3D <0x1e080000 0x10000>; --=20 2.52.0.457.g6b5491de43-goog